279883380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2459}}^1$

素因数の和:2749

約数の個数: 96

約数和(自身を含む): 899297280

約数和(自身を除く): 619413900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 271, 420, 542, 813, 1084, 1355, 1626, 1897, 2459, 2710, 3252, 3794, 4065, 4918, 5420, 5691, 7377, 7588, 8130, 9485, 9836, 11382, 12295, 14754, 16260, 17213, 18970, 22764, 24590, 28455, 29508, 34426, 36885, 37940, 49180, 51639, 56910, 68852, 73770, 86065, 103278, 113820, 147540, 172130, 206556, 258195, 344260, 516390, 666389, 1032780, 1332778, 1999167, 2665556, 3331945, 3998334, 4664723, 6663890, 7996668, 9329446, 9995835, 13327780, 13994169, 18658892, 19991670, 23323615, 27988338, 39983340, 46647230, 55976676, 69970845, 93294460, 139941690, 279883380]

約数ペア:

[(1, 279883380), (2, 139941690), (3, 93294460), (4, 69970845), (5, 55976676), (6, 46647230), (7, 39983340), (10, 27988338), (12, 23323615), (14, 19991670), (15, 18658892), (20, 13994169), (21, 13327780), (28, 9995835), (30, 9329446), (35, 7996668), (42, 6663890), (60, 4664723), (70, 3998334), (84, 3331945), (105, 2665556), (140, 1999167), (210, 1332778), (271, 1032780), (420, 666389), (542, 516390), (813, 344260), (1084, 258195), (1355, 206556), (1626, 172130), (1897, 147540), (2459, 113820), (2710, 103278), (3252, 86065), (3794, 73770), (4065, 68852), (4918, 56910), (5420, 51639), (5691, 49180), (7377, 37940), (7588, 36885), (8130, 34426), (9485, 29508), (9836, 28455), (11382, 24590), (12295, 22764), (14754, 18970), (16260, 17213)]